/* ========== HEADER (white, full-width) ========== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: #fff;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.site-header .inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
  width: var(--container);
  margin: 0 auto;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 22px; letter-spacing: -0.025em;
  color: var(--ink);
}
.brand .mark {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 900; font-size: 18px;
  position: relative;
}
.brand .mark::after {
  content: ''; position: absolute; top: -2px; right: -2px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--red);
}
.brand-tag {
  display: block; font-size: 10px; font-weight: 800; color: var(--blue); letter-spacing: 0.1em;
  margin-bottom: -2px;
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 12px 18px;
  font-size: 15px; font-weight: 600; color: var(--ink-soft);
  transition: color var(--dur-fast) var(--ease-out);
  position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--blue); }
.nav-link.active::after {
  content: ''; position: absolute; left: 18px; right: 18px; bottom: 4px;
  height: 2px; background: var(--blue);
}
.nav-link .caret { width: 12px; height: 12px; opacity: 0.5; }

.nav-cta {
  margin-right: 8px;
  display: inline-flex; align-items: center;
  background: var(--blue);
  color: #fff !important;
  padding: 10px 22px;
  border-radius: var(--r-pill);
  font-weight: 700; font-size: 15px;
  transition: background var(--dur-fast) var(--ease-out);
}
.nav-cta:hover { background: var(--blue-hover); color: #fff !important; }
.nav-cta::after { display: none; }

.dropdown {
  position: absolute; top: 100%; left: 0; min-width: 200px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 8px;
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), visibility var(--dur-fast);
}
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown { opacity: 1; visibility: visible; transform: none; }
.dropdown a {
  display: block; padding: 10px 14px; border-radius: var(--r-sm);
  font-size: 14px; color: var(--ink-soft); font-weight: 500;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.dropdown a:hover { background: var(--blue-pale); color: var(--blue); }

.nav-actions { display: flex; align-items: center; gap: 8px; }
.login-btn {
  display: inline-flex; align-items: center;
  border: 1.5px solid var(--line-strong);
  color: var(--ink-soft);
  padding: 9px 18px;
  border-radius: var(--r-pill);
  font-weight: 600; font-size: 14px;
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.login-btn:hover { border-color: var(--blue); color: var(--blue); }

/* Mobile menu */
.hamburger { display: none; width: 40px; height: 40px; border-radius: 10px; align-items: center; justify-content: center; background: transparent; color: var(--ink); }
.hamburger svg { width: 24px; height: 24px; }

.mobile-nav {
  position: fixed; inset: 0;
  z-index: 100;
  background: var(--bg);
  padding: 24px;
  transform: translateX(100%);
  transition: transform var(--dur) var(--ease-out);
  overflow-y: auto;
}
.mobile-nav.open { transform: none; }
.mobile-nav-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.mobile-nav-section { padding: 16px 0; border-bottom: 1px solid var(--line); }
.mobile-nav-section h4 { font-size: 12px; color: var(--muted); font-weight: 700; margin-bottom: 8px; letter-spacing: 0.06em; text-transform: uppercase; }
.mobile-nav-section a { display: block; padding: 12px 0; font-size: 16px; font-weight: 600; color: var(--ink); }

@media (max-width: 1080px) {
  .nav, .nav-actions .desktop-only { display: none; }
  .hamburger { display: inline-flex; }
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 72px 0 36px;
  margin-top: 96px;
  font-size: 13px;
  line-height: 1.7;
}
.site-footer a { color: var(--footer-text); }
.site-footer a:hover { color: #fff; }

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--footer-line);
}
.footer-brand .brand { color: #fff; }
.footer-brand .brand .mark { background: var(--blue); color: #fff; }
.footer-brand p { margin-top: 16px; font-size: 13px; line-height: 1.7; color: rgba(255, 255, 255, 0.5); max-width: 320px; }
.footer-col h5 { color: #fff; font-size: 14px; font-weight: 700; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 13px; }

.footer-meta {
  padding-top: 32px;
  display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between;
  font-size: 12px; color: rgba(255, 255, 255, 0.4);
}
.footer-meta .legal { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-meta strong { color: rgba(255, 255, 255, 0.65); font-weight: 600; }

@media (max-width: 880px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}

/* ========== FLOATING 4-CHANNEL CONSULT (right side, mark-up.kr style) ========== */
.floater {
  position: fixed; right: 16px; top: 50%; transform: translateY(-50%);
  z-index: 40;
  background: #fff;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  display: flex; flex-direction: column; gap: 4px;
  width: 96px;
}
.floater a {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 12px 6px;
  border-radius: var(--r-sm);
  transition: background var(--dur-fast) var(--ease-out);
  text-align: center;
}
.floater a:hover { background: var(--blue-pale); }
.floater a + a { border-top: 1px solid var(--line); border-radius: 0 0 var(--r-sm) var(--r-sm); }
.floater .ic {
  width: 36px; height: 36px; border-radius: 8px;
  display: grid; place-items: center;
  font-size: 18px;
}
.floater .ic.kakao { background: var(--kakao); }
.floater .ic.phone { background: var(--blue-pale); color: var(--blue); }
.floater .ic.chat { background: var(--blue-pale-2); color: var(--blue-deep); }
.floater .ic.youtube { background: #FF0000; color: #fff; }
.floater strong { font-size: 11px; font-weight: 600; color: var(--ink-soft); line-height: 1.3; }
.floater small { font-size: 10px; color: var(--muted); display: block; }

@media (max-width: 1080px) {
  .floater {
    top: auto; bottom: 16px; right: 16px; transform: none;
    flex-direction: row;
    width: auto;
    padding: 6px;
    gap: 0;
  }
  .floater a { padding: 8px 10px; flex-direction: row; gap: 6px; }
  .floater a + a { border-top: 0; border-left: 1px solid var(--line); border-radius: 0; }
  .floater .ic { width: 28px; height: 28px; font-size: 14px; }
  .floater strong { font-size: 12px; }
  .floater small { display: none; }
}
@media (max-width: 520px) {
  .floater strong { display: none; }
  .floater a { padding: 8px; }
}